—Ialwayslookoutbeforecrossingthestreet—Youareright

—I always look out before crossing the street.

—You are right. You can’t be too______.

A. nervous

B. careful

C. careless

D. hurried

正确答案：B
14．答案为B参考译文；——我在过街前总是要留神四处看一下——你这样做是正确的要尽可能小心短语can’tbetoocareful意思是ascarefulaspossible“尽可能小心”